Evidence indicates that present arrangements in California community college districts do not always provide the necessary mobility for students to attend college outside their own district. Current practices may encourage duplication of effort, especially with high-cost programs and/or low enrollment. This study is concerned with: (1) the identification and assessment of existing interdistrict arrangements for student flow and cooperative planning for joint programs and use of facilities; (2) descriptive analysis of fiscal, legal, jurisdictional, and attitudinal barriers that prevent expansion of interdistrict cooperation; (3) possible alternatives to minimize the major deterrents to cooperative planning and student flow; and (4) development of feasible arrangements in regional planning and cooperation for implementation by districts. (CA)